/*
 * Copyright (c) 1983-2023 Trevor Wishart and Composers Desktop Project Ltd
 * http://www.trevorwishart.co.uk
 * http://www.composersdesktop.com
 *
 This file is part of the CDP System.
 
 The CDP System is free software; you can redistribute it
 and/or modify it under the terms of the GNU Lesser General Public
 License as published by the Free Software Foundation; either
 version 2.1 of the License, or (at your option) any later version.
 
 The CDP System is distributed in the hope that it will be useful,
 but WITHOUT ANY WARRANTY; without even the implied warranty of
 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 GNU Lesser General Public License for more details.
 
 You should have received a copy of the GNU Lesser General Public
 License along with the CDP System; if not, write to the Free Software
 Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
 02111-1307 USA
 *
 */
// _cdprogs\motor motor 1 motorsrc.wav test.wav 10 20 .5 .6 .8 .5

#include <stdio.h>
#include <stdlib.h>
#include <structures.h>
#include <tkglobals.h>
#include <pnames.h>
#include <filetype.h>
#include <processno.h>
#include <modeno.h>
#include <logic.h>
#include <globcon.h>
#include <cdpmain.h>
#include <math.h>
#include <mixxcon.h>
#include <osbind.h>
#include <standalone.h>
#include <science.h>
#include <ctype.h>
#include <sfsys.h>
#include <string.h>
#include <srates.h>


#define gp_maxinsmps    rampbrksize
#define gp_maxpulsesmps total_windows
#define minpulsesmps    temp_sampsize
#define symwarning      fzeroset
#define inbufcnt        is_mapping

#define MOT_SNGLE   0
#define MOT_SLICE   1
#define MOT_MULTI   2

#ifdef unix
#define round(x) lround((x))
#endif
#ifndef HUGE
#define HUGE 3.40282347e+38F
#endif
char errstr[2400];

int anal_infiles = 1;
int sloom = 0;
int sloombatch = 0;

const char* cdp_version = "6.1.0";

//CDP LIB REPLACEMENTS
static int check_motor_param_validity_and_consistency(dataptr dz);
static int setup_motor_application(dataptr dz);
static int parse_sloom_data(int argc,char *argv[],char ***cmdline,int *cmdlinecnt,dataptr dz);
static int parse_infile_and_check_type(char **cmdline,dataptr dz);
static int setup_motor_param_ranges_and_defaults(dataptr dz);
static int handle_the_outfile(int *cmdlinecnt,char ***cmdline,dataptr dz);
static int setup_and_init_input_param_activity(dataptr dz,int tipc);
static int setup_input_param_defaultval_stores(int tipc,aplptr ap);
static int establish_application(dataptr dz);
static int initialise_vflags(dataptr dz);
static int setup_parameter_storage_and_constants(int storage_cnt,dataptr dz);
static int initialise_is_int_and_no_brk_constants(int storage_cnt,dataptr dz);
static int mark_parameter_types(dataptr dz,aplptr ap);
static int assign_file_data_storage(int infilecnt,dataptr dz);
static int get_tk_cmdline_word(int *cmdlinecnt,char ***cmdline,char *q);
static int get_the_process_no(char *prog_identifier_from_cmdline,dataptr dz);
static int get_the_mode_from_cmdline(char *str,dataptr dz);
static int setup_and_init_input_brktable_constants(dataptr dz,int brkcnt);
static int motor(dataptr dz);
static int create_motor_sndbufs(dataptr dz);
static int motor_param_preprocess(dataptr dz);
static void rndpermm(int permlen,int *permm);
static void insert(int m,int t,int permlen,int *permm);
static void prefix(int m,int permlen,int *permm);
static void shuflup(int k,int permlen, int *permm);
static int generate_inner_pulse(float *ebuf,float *ibuf,float *obuf,int ibufpos,int obufpos,int gp_eventsamps,int gp_tail,double incr,
                                double trem,int output,dataptr dz);
static int calculate_cresc_and_decresc_counts_of_inner_events(int *cresc_cnt,int *decresc_cnt,double *cresctime, double *decresctime,
                                                              double sym,double symrnd,double pulsdur,double frq,dataptr dz);
static void calculate_fwd_and_bkwd_sampsteps_in_infile(int *in_upstep,int *in_dnstep,double srate,int chans,
                                                       int gp_sampsread,int cresc_cnt,int decresc_cnt,double inner_dur,double edge,int ibufno,dataptr dz);
static void calculate_inputsamps_to_read_and_length_of_tail(int *gp_eventsamps,int *gp_tail,double srate,double inner_dur,double fratio,double edge,dataptr dz);
static int calculate_max_read_events_in_any_env_pulse(int *max_cresccnt,int *max_innercnt,double *frq,double *edge,int arraysize,int *permm,int permcnt,
                                                       int *gp_sampsread,dataptr dz);

static int select_infile_to_use(int *bufcntr,int *permm,int permcnt,dataptr dz);
static int handle_the_special_data(char *str,int *max_gp_seg,dataptr dz);

/**************************************** MAIN *********************************************/

int main(int argc,char *argv[])
{
    int exit_status, modetype;
    dataptr dz = NULL;
    char **cmdline;
    int  cmdlinecnt;
    int n, max_gp_seg = 0;
//    aplptr ap;
    int is_launched = FALSE;
    if(argc==2 && (strcmp(argv[1],"--version") == 0)) {
        fprintf(stdout,"%s\n",cdp_version);
        fflush(stdout);
        return 0;
    }
                        /* CHECK FOR SOUNDLOOM */
    if((sloom = sound_loom_in_use(&argc,&argv)) > 1) {
        sloom = 0;
        sloombatch = 1;
    }
    if(sflinit("cdp")){
        sfperror("cdp: initialisation\n");
        return(FAILED);
    }
                          /* SET UP THE PRINCIPLE DATASTRUCTURE */
    if((exit_status = establish_datastructure(&dz))<0) {                    // CDP LIB
        print_messages_and_close_sndfiles(exit_status,is_launched,dz);
        return(FAILED);
    }
    if(!sloom) {
        if(argc == 1) {
            usage1();   
            return(FAILED);
        } else if(argc == 2) {
            usage2(argv[1]);    
            return(FAILED);
        }
    }
    if(!sloom) {
        if((exit_status = make_initial_cmdline_check(&argc,&argv))<0) {     // CDP LIB
            print_messages_and_close_sndfiles(exit_status,is_launched,dz);
            return(FAILED);
        }
        cmdline    = argv;
        cmdlinecnt = argc;
        if((get_the_process_no(argv[0],dz))<0)
            return(FAILED);
        cmdline++;
        cmdlinecnt--;
        dz->maxmode = 9;
        if((exit_status = get_the_mode_from_cmdline(cmdline[0],dz))<0) {
            print_messages_and_close_sndfiles(exit_status,is_launched,dz);
            return(exit_status);
        }
        cmdline++;
        cmdlinecnt--;
        // setup_particular_application =
        if((exit_status = setup_motor_application(dz))<0) {
            print_messages_and_close_sndfiles(exit_status,is_launched,dz);
            return(FAILED);
        }
        if((exit_status = count_and_allocate_for_infiles(cmdlinecnt,cmdline,dz))<0) {       // CDP LIB
            print_messages_and_close_sndfiles(exit_status,is_launched,dz);
            return(FAILED);
        }
    } else {
        //parse_TK_data() =
        if((exit_status = parse_sloom_data(argc,argv,&cmdline,&cmdlinecnt,dz))<0) {
            exit_status = print_messages_and_close_sndfiles(exit_status,is_launched,dz);
            return(exit_status);         
        }
    }
//    ap = dz->application;

    modetype = dz->mode % 3;

    // parse_infile_and_hone_type() = 
    if((exit_status = parse_infile_and_check_type(cmdline,dz))<0) {
        exit_status = print_messages_and_close_sndfiles(exit_status,is_launched,dz);
        return(FAILED);
    }
    // setup_param_ranges_and_defaults() =
    if((exit_status = setup_motor_param_ranges_and_defaults(dz))<0) {
        exit_status = print_messages_and_close_sndfiles(exit_status,is_launched,dz);
        return(FAILED);
    }
    // open_first_infile        CDP LIB
    if((exit_status = open_first_infile(cmdline[0],dz))<0) {    
        print_messages_and_close_sndfiles(exit_status,is_launched,dz);  
        return(FAILED);
    }
    cmdlinecnt--;
    cmdline++;

//  handle_extra_infiles()      CDP LIB
    if((exit_status = handle_extra_infiles(&cmdline,&cmdlinecnt,dz))<0) {
        print_messages_and_close_sndfiles(exit_status,is_launched,dz);
        return(FAILED);
    }
    dz->gp_maxinsmps = 0;
    if(modetype != MOT_SLICE) {
        dz->inbufcnt = dz->infilecnt;
        for(n=0;n<dz->inbufcnt;n++) //  Largest buffer for input data is size of largest infile
            dz->gp_maxinsmps = max(dz->gp_maxinsmps,dz->insams[n]);
        dz->gp_maxinsmps /= dz->infile->channels;
    }
    // handle_outfile() = 
    if((exit_status = handle_the_outfile(&cmdlinecnt,&cmdline,dz))<0) {
        print_messages_and_close_sndfiles(exit_status,is_launched,dz);
        return(FAILED);
    }

//  handle_formants()           redundant
//  handle_formant_quiksearch() redundant
//  handle_special_data....
    if(modetype == MOT_SLICE) {
        if((exit_status = handle_the_special_data(cmdline[0],&max_gp_seg,dz))<0) {
            print_messages_and_close_sndfiles(exit_status,is_launched,dz);
            return(FAILED);
        }
        dz->inbufcnt = dz->itemcnt;
        dz->gp_maxinsmps = max_gp_seg;  //  Largest buffer for input data is size of largest cut seg
        cmdlinecnt--;
        cmdline++;
    }
    if((exit_status = read_parameters_and_flags(&cmdline,&cmdlinecnt,dz))<0) {      // CDP LIB
        print_messages_and_close_sndfiles(exit_status,is_launched,dz);
        return(FAILED);
    }
//  check_param_validity_and_consistency....
    if((exit_status = check_motor_param_validity_and_consistency(dz))<0) {
        print_messages_and_close_sndfiles(exit_status,is_launched,dz);
        return(FAILED);
    }
    //param_preprocess =
    if((exit_status = motor_param_preprocess(dz))<0) {
        print_messages_and_close_sndfiles(exit_status,is_launched,dz);
        return(FAILED);
    }
    is_launched = TRUE;
    dz->bufcnt = dz->inbufcnt + 3;
    if((dz->sampbuf = (float **)malloc(sizeof(float *) * (dz->bufcnt+1)))==NULL) {
        sprintf(errstr,"INSUFFICIENT MEMORY establishing sample buffers.\n");
        return(MEMORY_ERROR);
    }
    if((dz->sbufptr = (float **)malloc(sizeof(float *) * dz->bufcnt))==NULL) {
        sprintf(errstr,"INSUFFICIENT MEMORY establishing sample buffer pointers.\n");
        return(MEMORY_ERROR);
    }
    for(n = 0;n <dz->bufcnt; n++)
        dz->sampbuf[n] = dz->sbufptr[n] = (float *)0;
    dz->sampbuf[n] = (float *)0;

    if((exit_status = create_motor_sndbufs(dz))<0) {
        print_messages_and_close_sndfiles(exit_status,is_launched,dz);
        return(FAILED);
    }
    //spec_process_file =
    if((exit_status = motor(dz))<0) {
        print_messages_and_close_sndfiles(exit_status,is_launched,dz);
        return(FAILED);
    }
    if((exit_status = complete_output(dz))<0) {                                     // CDP LIB
        print_messages_and_close_sndfiles(exit_status,is_launched,dz);
        return(FAILED);
    }
    exit_status = print_messages_and_close_sndfiles(FINISHED,is_launched,dz);       // CDP LIB
    free(dz);
    return(SUCCEEDED);
}

/**********************************************
        REPLACED CDP LIB FUNCTIONS
**********************************************/


/****************************** SET_PARAM_DATA *********************************/

int set_param_data(aplptr ap, int special_data,int maxparamcnt,int paramcnt,char *paramlist)
{
    ap->special_data   = (char)special_data;       
    ap->param_cnt      = (char)paramcnt;
    ap->max_param_cnt  = (char)maxparamcnt;
    if(ap->max_param_cnt>0) {
        if((ap->param_list = (char *)malloc((size_t)(ap->max_param_cnt+1)))==NULL) {    
            sprintf(errstr,"INSUFFICIENT MEMORY: for param_list\n");
            return(MEMORY_ERROR);
        }
        strcpy(ap->param_list,paramlist); 
    }
    return(FINISHED);
}

/****************************** SET_VFLGS *********************************/

int set_vflgs
(aplptr ap,char *optflags,int optcnt,char *optlist,char *varflags,int vflagcnt, int vparamcnt,char *varlist)
{
    ap->option_cnt   = (char) optcnt;           /*RWD added cast */
    if(optcnt) {
        if((ap->option_list = (char *)malloc((size_t)(optcnt+1)))==NULL) {
            sprintf(errstr,"INSUFFICIENT MEMORY: for option_list\n");
            return(MEMORY_ERROR);
        }
        strcpy(ap->option_list,optlist);
        if((ap->option_flags = (char *)malloc((size_t)(optcnt+1)))==NULL) {
            sprintf(errstr,"INSUFFICIENT MEMORY: for option_flags\n");
            return(MEMORY_ERROR);
        }
        strcpy(ap->option_flags,optflags); 
    }
    ap->vflag_cnt = (char) vflagcnt;           
    ap->variant_param_cnt = (char) vparamcnt;
    if(vflagcnt) {
        if((ap->variant_list  = (char *)malloc((size_t)(vflagcnt+1)))==NULL) {
            sprintf(errstr,"INSUFFICIENT MEMORY: for variant_list\n");
            return(MEMORY_ERROR);
        }
        strcpy(ap->variant_list,varlist);       
        if((ap->variant_flags = (char *)malloc((size_t)(vflagcnt+1)))==NULL) {
            sprintf(errstr,"INSUFFICIENT MEMORY: for variant_flags\n");
            return(MEMORY_ERROR);
        }
        strcpy(ap->variant_flags,varflags);

    }
    return(FINISHED);
}

/***************************** APPLICATION_INIT **************************/

int application_init(dataptr dz)
{
    int exit_status;
    int storage_cnt;
    int tipc, brkcnt;
    aplptr ap = dz->application;
    if(ap->vflag_cnt>0)
        initialise_vflags(dz);    
    tipc  = ap->max_param_cnt + ap->option_cnt + ap->variant_param_cnt;
    ap->total_input_param_cnt = (char)tipc;
    if(tipc>0) {
        if((exit_status = setup_input_param_range_stores(tipc,ap))<0)             
            return(exit_status);
        if((exit_status = setup_input_param_defaultval_stores(tipc,ap))<0)        
            return(exit_status);
        if((exit_status = setup_and_init_input_param_activity(dz,tipc))<0)    
            return(exit_status);
    }
    brkcnt = tipc;
    //THERE ARE NO INPUTFILE brktables USED IN THIS PROCESS
    if(brkcnt>0) {
        if((exit_status = setup_and_init_input_brktable_constants(dz,brkcnt))<0)              
            return(exit_status);
    }
    if((storage_cnt = tipc + ap->internal_param_cnt)>0) {         
        if((exit_status = setup_parameter_storage_and_constants(storage_cnt,dz))<0)   
            return(exit_status);
        if((exit_status = initialise_is_int_and_no_brk_constants(storage_cnt,dz))<0)      
            return(exit_status);
    }                                                      
    if((exit_status = mark_parameter_types(dz,ap))<0)     
        return(exit_status);
    
    switch(dz->input_data_type) {
    case(SNDFILES_ONLY):    
        dz->infilecnt = 1;  
        break;
    case(MANY_SNDFILES):    
        dz->infilecnt = -2; 
        break;
    }
    //establish_bufptrs_and_extra_buffers():
    return(FINISHED);
}

/********************** SETUP_PARAMETER_STORAGE_AND_CONSTANTS ********************/
/* RWD mallo changed to calloc; helps debug verison run as release! */

int setup_parameter_storage_and_constants(int storage_cnt,dataptr dz)
{
    if((dz->param       = (double *)calloc(storage_cnt, sizeof(double)))==NULL) {
        sprintf(errstr,"setup_parameter_storage_and_constants(): 1\n");
        return(MEMORY_ERROR);
    }
    if((dz->iparam      = (int    *)calloc(storage_cnt, sizeof(int)   ))==NULL) {
        sprintf(errstr,"setup_parameter_storage_and_constants(): 2\n");
        return(MEMORY_ERROR);
    }
    if((dz->is_int      = (char   *)calloc(storage_cnt, sizeof(char)))==NULL) {
        sprintf(errstr,"setup_parameter_storage_and_constants(): 3\n");
        return(MEMORY_ERROR);
    }
    if((dz->no_brk      = (char   *)calloc(storage_cnt, sizeof(char)))==NULL) {
        sprintf(errstr,"setup_parameter_storage_and_constants(): 5\n");
        return(MEMORY_ERROR);
    }
    return(FINISHED);
}

/************** INITIALISE_IS_INT_AND_NO_BRK_CONSTANTS *****************/

int initialise_is_int_and_no_brk_constants(int storage_cnt,dataptr dz)
{
    int n;
    for(n=0;n<storage_cnt;n++) {
        dz->is_int[n] = (char)0;
        dz->no_brk[n] = (char)0;
    }
    return(FINISHED);
}

/***************************** MARK_PARAMETER_TYPES **************************/

int mark_parameter_types(dataptr dz,aplptr ap)
{
    int n, m;                           /* PARAMS */
    for(n=0;n<ap->max_param_cnt;n++) {
        switch(ap->param_list[n]) {
        case('0'):  break; /* dz->is_active[n] = 0 is default */
        case('i'):  dz->is_active[n] = (char)1; dz->is_int[n] = (char)1;dz->no_brk[n] = (char)1; break;
        case('I'):  dz->is_active[n] = (char)1; dz->is_int[n] = (char)1;                         break;
        case('d'):  dz->is_active[n] = (char)1;                         dz->no_brk[n] = (char)1; break;
        case('D'):  dz->is_active[n] = (char)1; /* normal case: double val or brkpnt file */     break;
        default:
            sprintf(errstr,"Programming error: invalid parameter type in mark_parameter_types()\n");
            return(PROGRAM_ERROR);
        }
    }                               /* OPTIONS */
    for(n=0,m=ap->max_param_cnt;n<ap->option_cnt;n++,m++) {
        switch(ap->option_list[n]) {
        case('i'): dz->is_active[m] = (char)1; dz->is_int[m] = (char)1; dz->no_brk[m] = (char)1; break;
        case('I'): dz->is_active[m] = (char)1; dz->is_int[m] = (char)1;                          break;
        case('d'): dz->is_active[m] = (char)1;                          dz->no_brk[m] = (char)1; break;
        case('D'): dz->is_active[m] = (char)1;  /* normal case: double val or brkpnt file */     break;
        default:
            sprintf(errstr,"Programming error: invalid option type in mark_parameter_types()\n");
            return(PROGRAM_ERROR);
        }
    }                               /* VARIANTS */
    for(n=0,m=ap->max_param_cnt + ap->option_cnt;n < ap->variant_param_cnt; n++, m++) {
        switch(ap->variant_list[n]) {
        case('0'): break;
        case('i'): dz->is_active[m] = (char)1; dz->is_int[m] = (char)1; dz->no_brk[m] = (char)1; break;
        case('I'): dz->is_active[m] = (char)1; dz->is_int[m] = (char)1;                          break;
        case('d'): dz->is_active[m] = (char)1;                          dz->no_brk[m] = (char)1; break;
        case('D'): dz->is_active[m] = (char)1; /* normal case: double val or brkpnt file */      break;
        default:
            sprintf(errstr,"Programming error: invalid variant type in mark_parameter_types()\n");
            return(PROGRAM_ERROR);
        }
    }                               /* INTERNAL */
    for(n=0,
    m=ap->max_param_cnt + ap->option_cnt + ap->variant_param_cnt; n<ap->internal_param_cnt; n++,m++) {
        switch(ap->internal_param_list[n]) {
        case('0'):  break;   /* dummy variables: variables not used: but important for internal paream numbering!! */
        case('i'):  dz->is_int[m] = (char)1;    dz->no_brk[m] = (char)1;    break;
        case('d'):                              dz->no_brk[m] = (char)1;    break;
        default:
            sprintf(errstr,"Programming error: invalid internal param type in mark_parameter_types()\n");
            return(PROGRAM_ERROR);
        }
    }
    return(FINISHED);
}

/************************ HANDLE_THE_OUTFILE *********************/

int handle_the_outfile(int *cmdlinecnt,char ***cmdline,dataptr dz)
{
    int exit_status;
    char *filename = (*cmdline)[0];
    if(filename[0]=='-' && filename[1]=='f') {
        dz->floatsam_output = 1;
        dz->true_outfile_stype = SAMP_FLOAT;
        filename+= 2;
    }
    if(!sloom) {
        if(file_has_invalid_startchar(filename) || value_is_numeric(filename)) {
            sprintf(errstr,"Outfile name %s has invalid start character(s) or looks too much like a number.\n",filename);
            return(DATA_ERROR);
        }
    }
    strcpy(dz->outfilename,filename);      
    if((exit_status = create_sized_outfile(filename,dz))<0)
        return(exit_status);
    (*cmdline)++;
    (*cmdlinecnt)--;
    return(FINISHED);
}

/***************************** ESTABLISH_APPLICATION **************************/

int establish_application(dataptr dz)
{
    aplptr ap;
    if((dz->application = (aplptr)malloc(sizeof (struct applic)))==NULL) {
        sprintf(errstr,"establish_application()\n");
        return(MEMORY_ERROR);
    }
    ap = dz->application;
    memset((char *)ap,0,sizeof(struct applic));
    return(FINISHED);
}

/************************* INITIALISE_VFLAGS *************************/

int initialise_vflags(dataptr dz)
{
    int n;
    if((dz->vflag  = (char *)malloc(dz->application->vflag_cnt * sizeof(char)))==NULL) {
        sprintf(errstr,"INSUFFICIENT MEMORY: vflag store,\n");
        return(MEMORY_ERROR);
    }
    for(n=0;n<dz->application->vflag_cnt;n++)
        dz->vflag[n]  = FALSE;
    return FINISHED;
}

/************************* SETUP_INPUT_PARAM_DEFAULTVALS *************************/

int setup_input_param_defaultval_stores(int tipc,aplptr ap)
{
    int n;
    if((ap->default_val = (double *)malloc(tipc * sizeof(double)))==NULL) {
        sprintf(errstr,"INSUFFICIENT MEMORY for application default values store\n");
        return(MEMORY_ERROR);
    }
    for(n=0;n<tipc;n++)
        ap->default_val[n] = 0.0;
    return(FINISHED);
}

/***************************** SETUP_AND_INIT_INPUT_PARAM_ACTIVITY **************************/

int setup_and_init_input_param_activity(dataptr dz,int tipc)
{
    int n;
    if((dz->is_active = (char   *)malloc((size_t)tipc))==NULL) {
        sprintf(errstr,"setup_and_init_input_param_activity()\n");
        return(MEMORY_ERROR);
    }
    for(n=0;n<tipc;n++)
        dz->is_active[n] = (char)0;
    return(FINISHED);
}

/************************* SETUP_MOTOR_APPLICATION *******************/

int setup_motor_application(dataptr dz)
{
    int exit_status, modetype = dz->mode % 3;
    aplptr ap;
    if((exit_status = establish_application(dz))<0)     // GLOBAL
        return(FAILED);
    ap = dz->application;
    // SEE parstruct FOR EXPLANATION of next 2 functions
    
    switch(modetype) {
    case(MOT_SNGLE):    exit_status = set_param_data(ap,0        ,6,6,"dDDDDD");    break;
    case(MOT_SLICE):    exit_status = set_param_data(ap,MOTORDATA,6,6,"dDDDDD");    break;
    case(MOT_MULTI):    exit_status = set_param_data(ap,0        ,6,6,"dDDDDD");    break;
    }
    if((exit_status = set_param_data(ap,0   ,6,6,"DDDDDd"))<0)
        return(FAILED);
    switch(modetype) {
    case(MOT_SNGLE):    exit_status = set_vflgs(ap,"fpjtyebvs",9,"DDDDDDDDi","a",1,0,"0");      break;
    case(MOT_SLICE):    //   fall thro
    case(MOT_MULTI):    exit_status = set_vflgs(ap,"fpjtyebvs",9,"DDDDDDDDi","ac",2,0,"00");    break;
    }
    if(exit_status<0)
        return(FAILED);
    // set_legal_infile_structure -->
    dz->has_otherfile = FALSE;
    // assign_process_logic -->
    switch(modetype) {
    case(MOT_SNGLE): //  fall thro
    case(MOT_SLICE): dz->input_data_type = SNDFILES_ONLY;   break;
    case(MOT_MULTI): dz->input_data_type = MANY_SNDFILES;   break;
    }
    dz->process_type    = UNEQUAL_SNDFILE;  
    dz->outfiletype     = SNDFILE_OUT;
    return application_init(dz);    //GLOBAL
}

/************************* PARSE_INFILE_AND_CHECK_TYPE *******************/

int parse_infile_and_check_type(char **cmdline,dataptr dz)
{
    int exit_status;
    infileptr infile_info;
    if(!sloom) {
        if((infile_info = (infileptr)malloc(sizeof(struct filedata)))==NULL) {
            sprintf(errstr,"INSUFFICIENT MEMORY for infile structure to test file data.");
            return(MEMORY_ERROR);
        } else if((exit_status = cdparse(cmdline[0],infile_info))<0) {
            sprintf(errstr,"Failed to parse input file %s\n",cmdline[0]);
            return(PROGRAM_ERROR);
        } else if(infile_info->filetype != SNDFILE)  {
            sprintf(errstr,"File %s is not of correct type\n",cmdline[0]);
            return(DATA_ERROR);
        } else if((exit_status = copy_parse_info_to_main_structure(infile_info,dz))<0) {
            sprintf(errstr,"Failed to copy file parsing information\n");
            return(PROGRAM_ERROR);
        }
        free(infile_info);
    }
    return(FINISHED);
}

/************************* SETUP_MOTOR_PARAM_RANGES_AND_DEFAULTS *******************/

int setup_motor_param_ranges_and_defaults(dataptr dz)
{
    int exit_status;
    aplptr ap = dz->application;
    // set_param_ranges()
    ap->total_input_param_cnt = (char)(ap->max_param_cnt + ap->option_cnt + ap->variant_param_cnt);
    // NB total_input_param_cnt is > 0 !!!
    if((exit_status = setup_input_param_range_stores(ap->total_input_param_cnt,ap))<0)
        return(FAILED);
    // get_param_ranges()
    ap->lo[MOT_DUR] = 1.0;
    ap->hi[MOT_DUR] = 7200.0;
    ap->default_val[MOT_DUR] = 20.0;
    ap->lo[MOT_FRQ] = 2;
    ap->hi[MOT_FRQ] = 100;
    ap->default_val[MOT_FRQ] = MOT_FRQ_DFLT;
    ap->lo[MOT_PULSE]   = 0.1;
    ap->hi[MOT_PULSE]   = 10.0;
    ap->default_val[MOT_PULSE] = 1.0;
    ap->lo[MOT_FRATIO]  = 0.0;
    ap->hi[MOT_FRATIO]  = 1.0;
    ap->default_val[MOT_FRATIO] = 0.5;
    ap->lo[MOT_PRATIO]  = 0.0;
    ap->hi[MOT_PRATIO]  = 1.0;
    ap->default_val[MOT_PRATIO] = 1.0;
    ap->lo[MOT_SYM] = 0.0;
    ap->hi[MOT_SYM] = 1.0;
    ap->default_val[MOT_SYM] = 0.5;
    ap->lo[MOT_FRND] = 0.0;
    ap->hi[MOT_FRND] = 1.0;
    ap->default_val[MOT_FRND] = 0.0;
    ap->lo[MOT_PRND] = 0.0;
    ap->hi[MOT_PRND] = 1.0;
    ap->default_val[MOT_PRND] = 0.0;
    ap->lo[MOT_JIT] = 0.0;
    ap->hi[MOT_JIT] = 3.0;
    ap->default_val[MOT_JIT] = 0.0;
    ap->lo[MOT_TREM] = 0.0;
    ap->hi[MOT_TREM] = 1.0;
    ap->default_val[MOT_TREM] = 0.0;
    ap->lo[MOT_SYMRND] = 0.0;
    ap->hi[MOT_SYMRND] = 1.0;
    ap->default_val[MOT_SYMRND] = 0.0;
    ap->lo[MOT_EDGE] = 0;
    ap->hi[MOT_EDGE] = 20.0;
    ap->default_val[MOT_EDGE] = 0;
    ap->lo[MOT_BITE] = 0.1;
    ap->hi[MOT_BITE] = 10.0;
    ap->default_val[MOT_BITE] = 3.0;
    ap->lo[MOT_VARY] = 0;
    ap->hi[MOT_VARY] = 1.0;
    ap->default_val[MOT_VARY] = 0.0;
    ap->lo[MOT_SEED] = 0;
    ap->hi[MOT_SEED] = 256;
    ap->default_val[MOT_SEED] = 0;
    dz->maxmode = 9;
    if(!sloom)
        put_default_vals_in_all_params(dz);
    return(FINISHED);
}

/********************************* PARSE_SLOOM_DATA *********************************/

int parse_sloom_data(int argc,char *argv[],char ***cmdline,int *cmdlinecnt,dataptr dz)
{
    int exit_status;
    int cnt = 1, infilecnt;
    int filesize, insams, inbrksize;
    double dummy;
    int true_cnt = 0;
//   aplptr ap;

    while(cnt<=PRE_CMDLINE_DATACNT) {
        if(cnt > argc) {
            sprintf(errstr,"Insufficient data sent from TK\n");
            return(DATA_ERROR);
        }
        switch(cnt) {
        case(1):    
            if(sscanf(argv[cnt],"%d",&dz->process)!=1) {
                sprintf(errstr,"Cannot read process no. sent from TK\n");
                return(DATA_ERROR);
            }
            break;

        case(2):    
            if(sscanf(argv[cnt],"%d",&dz->mode)!=1) {
                sprintf(errstr,"Cannot read mode no. sent from TK\n");
                return(DATA_ERROR);
            }
            if(dz->mode > 0)
                dz->mode--;
            //setup_particular_application() =
            if((exit_status = setup_motor_application(dz))<0)
                return(exit_status);
//            ap = dz->application;
            break;

        case(3):    
            if(sscanf(argv[cnt],"%d",&infilecnt)!=1) {
                sprintf(errstr,"Cannot read infilecnt sent from TK\n");
                return(DATA_ERROR);
            }
            if(infilecnt < 1) {
                true_cnt = cnt + 1;
                cnt = PRE_CMDLINE_DATACNT;  /* force exit from loop after assign_file_data_storage */
            }
            if((exit_status = assign_file_data_storage(infilecnt,dz))<0)
                return(exit_status);
            break;
        case(INPUT_FILETYPE+4): 
            if(sscanf(argv[cnt],"%d",&dz->infile->filetype)!=1) {
                sprintf(errstr,"Cannot read filetype sent from TK (%s)\n",argv[cnt]);
                return(DATA_ERROR);
            }
            break;
        case(INPUT_FILESIZE+4): 
            if(sscanf(argv[cnt],"%d",&filesize)!=1) {
                sprintf(errstr,"Cannot read infilesize sent from TK\n");
                return(DATA_ERROR);
            }
            dz->insams[0] = filesize;   
            break;
        case(INPUT_INSAMS+4):   
            if(sscanf(argv[cnt],"%d",&insams)!=1) {
                sprintf(errstr,"Cannot read insams sent from TK\n");
                return(DATA_ERROR);
            }
            dz->insams[0] = insams; 
            break;
        case(INPUT_SRATE+4):    
            if(sscanf(argv[cnt],"%d",&dz->infile->srate)!=1) {
                sprintf(errstr,"Cannot read srate sent from TK\n");
                return(DATA_ERROR);
            }
            break;
        case(INPUT_CHANNELS+4): 
            if(sscanf(argv[cnt],"%d",&dz->infile->channels)!=1) {
                sprintf(errstr,"Cannot read channels sent from TK\n");
                return(DATA_ERROR);
            }
            break;
        case(INPUT_STYPE+4):    
            if(sscanf(argv[cnt],"%d",&dz->infile->stype)!=1) {
                sprintf(errstr,"Cannot read stype sent from TK\n");
                return(DATA_ERROR);
            }
            break;
        case(INPUT_ORIGSTYPE+4):    
            if(sscanf(argv[cnt],"%d",&dz->infile->origstype)!=1) {
                sprintf(errstr,"Cannot read origstype sent from TK\n");
                return(DATA_ERROR);
            }
            break;
        case(INPUT_ORIGRATE+4): 
            if(sscanf(argv[cnt],"%d",&dz->infile->origrate)!=1) {
                sprintf(errstr,"Cannot read origrate sent from TK\n");
                return(DATA_ERROR);
            }
            break;
        case(INPUT_MLEN+4): 
            if(sscanf(argv[cnt],"%d",&dz->infile->Mlen)!=1) {
                sprintf(errstr,"Cannot read Mlen sent from TK\n");
                return(DATA_ERROR);
            }
            break;
        case(INPUT_DFAC+4): 
            if(sscanf(argv[cnt],"%d",&dz->infile->Dfac)!=1) {
                sprintf(errstr,"Cannot read Dfac sent from TK\n");
                return(DATA_ERROR);
            }
            break;
        case(INPUT_ORIGCHANS+4):    
            if(sscanf(argv[cnt],"%d",&dz->infile->origchans)!=1) {
                sprintf(errstr,"Cannot read origchans sent from TK\n");
                return(DATA_ERROR);
            }
            break;
        case(INPUT_SPECENVCNT+4):   
            if(sscanf(argv[cnt],"%d",&dz->infile->specenvcnt)!=1) {
                sprintf(errstr,"Cannot read specenvcnt sent from TK\n");
                return(DATA_ERROR);
            }
            dz->specenvcnt = dz->infile->specenvcnt;
            break;
        case(INPUT_WANTED+4):   
            if(sscanf(argv[cnt],"%d",&dz->wanted)!=1) {
                sprintf(errstr,"Cannot read wanted sent from TK\n");
                return(DATA_ERROR);
            }
            break;
        case(INPUT_WLENGTH+4):  
            if(sscanf(argv[cnt],"%d",&dz->wlength)!=1) {
                sprintf(errstr,"Cannot read wlength sent from TK\n");
                return(DATA_ERROR);
            }
            break;
        case(INPUT_OUT_CHANS+4):    
            if(sscanf(argv[cnt],"%d",&dz->out_chans)!=1) {
                sprintf(errstr,"Cannot read out_chans sent from TK\n");
                return(DATA_ERROR);
            }
            break;
            /* RWD these chanegs to samps - tk will have to deal with that! */
        case(INPUT_DESCRIPTOR_BYTES+4): 
            if(sscanf(argv[cnt],"%d",&dz->descriptor_samps)!=1) {
                sprintf(errstr,"Cannot read descriptor_samps sent from TK\n");
                return(DATA_ERROR);
            }
            break;
        case(INPUT_IS_TRANSPOS+4):  
            if(sscanf(argv[cnt],"%d",&dz->is_transpos)!=1) {
                sprintf(errstr,"Cannot read is_transpos sent from TK\n");
                return(DATA_ERROR);
            }
            break;
        case(INPUT_COULD_BE_TRANSPOS+4):    
            if(sscanf(argv[cnt],"%d",&dz->could_be_transpos)!=1) {
                sprintf(errstr,"Cannot read could_be_transpos sent from TK\n");
                return(DATA_ERROR);
            }
            break;
        case(INPUT_COULD_BE_PITCH+4):   
            if(sscanf(argv[cnt],"%d",&dz->could_be_pitch)!=1) {
                sprintf(errstr,"Cannot read could_be_pitch sent from TK\n");
                return(DATA_ERROR);
            }
            break;
        case(INPUT_DIFFERENT_SRATES+4): 
            if(sscanf(argv[cnt],"%d",&dz->different_srates)!=1) {
                sprintf(errstr,"Cannot read different_srates sent from TK\n");
                return(DATA_ERROR);
            }
            break;
        case(INPUT_DUPLICATE_SNDS+4):   
            if(sscanf(argv[cnt],"%d",&dz->duplicate_snds)!=1) {
                sprintf(errstr,"Cannot read duplicate_snds sent from TK\n");
                return(DATA_ERROR);
            }
            break;
        case(INPUT_BRKSIZE+4):  
            if(sscanf(argv[cnt],"%d",&inbrksize)!=1) {
                sprintf(errstr,"Cannot read brksize sent from TK\n");
                return(DATA_ERROR);
            }
            if(inbrksize > 0) {
                switch(dz->input_data_type) {
                case(WORDLIST_ONLY):
                    break;
                case(PITCH_AND_PITCH):
                case(PITCH_AND_TRANSPOS):
                case(TRANSPOS_AND_TRANSPOS):
                    dz->tempsize = inbrksize;
                    break;
                case(BRKFILES_ONLY):
                case(UNRANGED_BRKFILE_ONLY):
                case(DB_BRKFILES_ONLY):
                case(ALL_FILES):
                case(ANY_NUMBER_OF_ANY_FILES):
                    if(dz->extrabrkno < 0) {
                        sprintf(errstr,"Storage location number for brktable not established by CDP.\n");
                        return(DATA_ERROR);
                    }
                    if(dz->brksize == NULL) {
                        sprintf(errstr,"CDP has not established storage space for input brktable.\n");
                        return(PROGRAM_ERROR);
                    }
                    dz->brksize[dz->extrabrkno] = inbrksize;
                    break;
                default:
                    sprintf(errstr,"TK sent brktablesize > 0 for input_data_type [%d] not using brktables.\n",
                    dz->input_data_type);
                    return(PROGRAM_ERROR);
                }
                break;
            }
            break;
        case(INPUT_NUMSIZE+4):  
            if(sscanf(argv[cnt],"%d",&dz->numsize)!=1) {
                sprintf(errstr,"Cannot read numsize sent from TK\n");
                return(DATA_ERROR);
            }
            break;
        case(INPUT_LINECNT+4):  
            if(sscanf(argv[cnt],"%d",&dz->linecnt)!=1) {
                sprintf(errstr,"Cannot read linecnt sent from TK\n");
                return(DATA_ERROR);
            }
            break;
        case(INPUT_ALL_WORDS+4):    
            if(sscanf(argv[cnt],"%d",&dz->all_words)!=1) {
                sprintf(errstr,"Cannot read all_words sent from TK\n");
                return(DATA_ERROR);
            }
            break;
        case(INPUT_ARATE+4):    
            if(sscanf(argv[cnt],"%f",&dz->infile->arate)!=1) {
                sprintf(errstr,"Cannot read arate sent from TK\n");
                return(DATA_ERROR);
            }
            break;
        case(INPUT_FRAMETIME+4):    
            if(sscanf(argv[cnt],"%lf",&dummy)!=1) {
                sprintf(errstr,"Cannot read frametime sent from TK\n");
                return(DATA_ERROR);
            }
            dz->frametime = (float)dummy;
            break;
        case(INPUT_WINDOW_SIZE+4):  
            if(sscanf(argv[cnt],"%f",&dz->infile->window_size)!=1) {
                sprintf(errstr,"Cannot read window_size sent from TK\n");
                    return(DATA_ERROR);
            }
            break;
        case(INPUT_NYQUIST+4):  
            if(sscanf(argv[cnt],"%lf",&dz->nyquist)!=1) {
                sprintf(errstr,"Cannot read nyquist sent from TK\n");
                return(DATA_ERROR);
            }
            break;
        case(INPUT_DURATION+4): 
            if(sscanf(argv[cnt],"%lf",&dz->duration)!=1) {
                sprintf(errstr,"Cannot read duration sent from TK\n");
                return(DATA_ERROR);
            }
            break;
        case(INPUT_MINBRK+4):   
            if(sscanf(argv[cnt],"%lf",&dz->minbrk)!=1) {
                sprintf(errstr,"Cannot read minbrk sent from TK\n");
                return(DATA_ERROR);
            }
            break;
        case(INPUT_MAXBRK+4):   
            if(sscanf(argv[cnt],"%lf",&dz->maxbrk)!=1) {
                sprintf(errstr,"Cannot read maxbrk sent from TK\n");
                return(DATA_ERROR);
            }
            break;
        case(INPUT_MINNUM+4):   
            if(sscanf(argv[cnt],"%lf",&dz->minnum)!=1) {
                sprintf(errstr,"Cannot read minnum sent from TK\n");
                return(DATA_ERROR);
            }
            break;
        case(INPUT_MAXNUM+4):   
            if(sscanf(argv[cnt],"%lf",&dz->maxnum)!=1) {
                sprintf(errstr,"Cannot read maxnum sent from TK\n");
                return(DATA_ERROR);
            }
            break;
        default:
            sprintf(errstr,"case switch item missing: parse_sloom_data()\n");
            return(PROGRAM_ERROR);
        }
        cnt++;
    }
    if(cnt!=PRE_CMDLINE_DATACNT+1) {
        sprintf(errstr,"Insufficient pre-cmdline params sent from TK\n");
        return(DATA_ERROR);
    }

    if(true_cnt)
        cnt = true_cnt;
    *cmdlinecnt = 0;        

    while(cnt < argc) {
        if((exit_status = get_tk_cmdline_word(cmdlinecnt,cmdline,argv[cnt]))<0)
            return(exit_status);
        cnt++;
    }
    return(FINISHED);
}

/********************************* GET_TK_CMDLINE_WORD *********************************/

int get_tk_cmdline_word(int *cmdlinecnt,char ***cmdline,char *q)
{
    if(*cmdlinecnt==0) {
        if((*cmdline = (char **)malloc(sizeof(char *)))==NULL)  {
            sprintf(errstr,"INSUFFICIENT MEMORY for TK cmdline array.\n");
            return(MEMORY_ERROR);
        }
    } else {
        if((*cmdline = (char **)realloc(*cmdline,((*cmdlinecnt)+1) * sizeof(char *)))==NULL)    {
            sprintf(errstr,"INSUFFICIENT MEMORY for TK cmdline array.\n");
            return(MEMORY_ERROR);
        }
    }
    if(((*cmdline)[*cmdlinecnt] = (char *)malloc((strlen(q) + 1) * sizeof(char)))==NULL)    {
        sprintf(errstr,"INSUFFICIENT MEMORY for TK cmdline item %d.\n",(*cmdlinecnt)+1);
        return(MEMORY_ERROR);
    }
    strcpy((*cmdline)[*cmdlinecnt],q);
    (*cmdlinecnt)++;
    return(FINISHED);
}


/****************************** ASSIGN_FILE_DATA_STORAGE *********************************/

int assign_file_data_storage(int infilecnt,dataptr dz)
{
    int exit_status;
    int no_sndfile_system_files = FALSE;
    dz->infilecnt = infilecnt;
    if((exit_status = allocate_filespace(dz))<0)
        return(exit_status);
    if(no_sndfile_system_files)
        dz->infilecnt = 0;
    return(FINISHED);
}

/************************* redundant functions: to ensure libs compile OK *******************/

int assign_process_logic(dataptr dz)
{
    return(FINISHED);
}

void set_legal_infile_structure(dataptr dz)
{}

int set_legal_internalparam_structure(int process,int mode,aplptr ap)
{
    return(FINISHED);
}

int setup_internal_arrays_and_array_pointers(dataptr dz)
{
    return(FINISHED);
}

int establish_bufptrs_and_extra_buffers(dataptr dz)
{
    return(FINISHED);
}

int read_special_data(char *str,dataptr dz) 
{
    return(FINISHED);
}

int inner_loop
(int *peakscore,int *descnt,int *in_start_portion,int *least,int *pitchcnt,int windows_in_buf,dataptr dz)
{
    return(FINISHED);
}

int get_process_no(char *prog_identifier_from_cmdline,dataptr dz)
{
    return(FINISHED);
}


/******************************** USAGE1 ********************************/

int usage1(void)
{
    usage2("motor");
    return(USAGE_ONLY);
}

/**************************** CHECK_MOTOR_PARAM_VALIDITY_AND_CONSISTENCY *****************************/

int check_motor_param_validity_and_consistency(dataptr dz)
{
    int exit_status;
    double maxratio, maxpulse, minfrq, minpulsedur, maxfrqdur;

    if(dz->brksize[MOT_FRATIO]) {
        if((exit_status = get_maxvalue_in_brktable(&maxratio,MOT_FRATIO,dz))<0)
            return exit_status;
    } else
        maxratio = dz->param[MOT_FRATIO];
    if(maxratio == 0.0) {
        sprintf(errstr,"Zero event-ratio will create a silent output.\n");
        return DATA_ERROR;
    }
    if(dz->brksize[MOT_PRATIO]) {
        if((exit_status = get_maxvalue_in_brktable(&maxratio,MOT_PRATIO,dz))<0)
            return exit_status;
    } else
        maxratio = dz->param[MOT_PRATIO];
    if(maxratio == 0.0) {
        sprintf(errstr,"Zero pulsed-enveloped-ratio will create a silent output.\n");
        return DATA_ERROR;
    }
    if((dz->brksize[MOT_VARY] || dz->param[MOT_VARY] > 0.0) && dz->vflag[MOT_FXDSTP]) {
        sprintf(errstr,"Fixed step and varying step in src-read cannot both be used.\n");
        return DATA_ERROR;
    }
    if(dz->brksize[MOT_PULSE]) {
        if((exit_status = get_maxvalue_in_brktable(&maxpulse,MOT_PULSE,dz))<0)
            return exit_status;
    } else
        maxpulse = dz->param[MOT_PULSE];
    if(dz->brksize[MOT_FRQ]) {
        if((exit_status = get_minvalue_in_brktable(&minfrq,MOT_FRQ,dz))<0)
            return exit_status;
    } else
        minfrq = dz->param[MOT_FRQ];
    minpulsedur = 1.0/maxpulse;
    minpulsedur *= maxratio;
    maxfrqdur   = 1.0/minfrq;
    if(minpulsedur <= 2.0 * maxfrqdur) {
        fprintf(stdout,"ERROR: Min outerpulse dur (1/rate(%lf) = %lf) less max-offtime (shorten by %.2lf) = %lf\n",maxpulse,1/maxpulse,1/maxpulse * (1 - dz->param[MOT_PRATIO]),(1/maxpulse) - (1/maxpulse * (1 - dz->param[MOT_PRATIO])));
        fprintf(stdout,"ERROR: is less than or equal to 2 * max innerpulse dur (1/rate(%lf) = %.2lf    X2=   %.2lf).\n",minfrq,1/minfrq,1/minfrq * 2);
        fflush(stdout);
        return DATA_ERROR;
    }
    return FINISHED;
}

/**************************** MOTOR_PARAM_PREPROCESS *****************************/

int motor_param_preprocess(dataptr dz)
{
    double maxpulse, minpulse, thispulse, srate = (double)dz->infile->srate;
    int chans = dz->infile->channels;
    int n, v;
    minpulse = HUGE;
    maxpulse = 0.0;
    if(dz->brksize[MOT_PULSE]) {
        for(n=0,v=1;n <dz->brksize[MOT_PULSE];n++,v+=2) {
            thispulse = 1.0/dz->brk[MOT_PULSE][v];
            maxpulse = max(maxpulse,thispulse);         //  Find the largest pulse to fit into a buffer, to help determine buffer size
            minpulse = min(minpulse,thispulse);         //  and the smallest pulse, to later determine the max number of pulses per buffer
        }
    } else {
        maxpulse = 1.0/dz->param[MOT_PULSE];
        minpulse = 1.0/dz->param[MOT_PULSE];
    }
    dz->gp_maxpulsesmps = (int)ceil(maxpulse * srate);
    dz->minpulsesmps    = (int)floor(minpulse * srate) * chans;

    if(dz->brksize[MOT_PULSE]) {                        //  Convert Frq into wavelength
        for(n=0,v=1;n <dz->brksize[MOT_PULSE];n++,v+=2)
            dz->brk[MOT_PULSE][v] = 1.0/dz->brk[MOT_PULSE][v];
    } else
        dz->param[MOT_PULSE] = 1.0/dz->param[MOT_PULSE];
    return FINISHED;
}

/********************************************************************************************/

int get_the_process_no(char *prog_identifier_from_cmdline,dataptr dz)
{
    if(!strcmp(prog_identifier_from_cmdline,"motor"))               dz->process = MOTOR;
    else {
        sprintf(errstr,"Unknown program identification string '%s'\n",prog_identifier_from_cmdline);
        return(USAGE_ONLY);
    }
    return(FINISHED);
}

/******************************** SETUP_AND_INIT_INPUT_BRKTABLE_CONSTANTS ********************************/

int setup_and_init_input_brktable_constants(dataptr dz,int brkcnt)
{   
    int n;
    if((dz->brk      = (double **)malloc(brkcnt * sizeof(double *)))==NULL) {
        sprintf(errstr,"setup_and_init_input_brktable_constants(): 1\n");
        return(MEMORY_ERROR);
    }
    if((dz->brkptr   = (double **)malloc(brkcnt * sizeof(double *)))==NULL) {
        sprintf(errstr,"setup_and_init_input_brktable_constants(): 6\n");
        return(MEMORY_ERROR);
    }
    if((dz->brksize  = (int    *)malloc(brkcnt * sizeof(int)))==NULL) {
        sprintf(errstr,"setup_and_init_input_brktable_constants(): 2\n");
        return(MEMORY_ERROR);
    }
    if((dz->firstval = (double  *)malloc(brkcnt * sizeof(double)))==NULL) {
        sprintf(errstr,"setup_and_init_input_brktable_constants(): 3\n");
        return(MEMORY_ERROR);                                                 
    }
    if((dz->lastind  = (double  *)malloc(brkcnt * sizeof(double)))==NULL) {
        sprintf(errstr,"setup_and_init_input_brktable_constants(): 4\n");
        return(MEMORY_ERROR);
    }
    if((dz->lastval  = (double  *)malloc(brkcnt * sizeof(double)))==NULL) {
        sprintf(errstr,"setup_and_init_input_brktable_constants(): 5\n");
        return(MEMORY_ERROR);
    }
    if((dz->brkinit  = (int     *)malloc(brkcnt * sizeof(int)))==NULL) {
        sprintf(errstr,"setup_and_init_input_brktable_constants(): 7\n");
        return(MEMORY_ERROR);
    }
    for(n=0;n<brkcnt;n++) {
        dz->brk[n]     = NULL;
        dz->brkptr[n]  = NULL;
        dz->brkinit[n] = 0;
        dz->brksize[n] = 0;
    }
    return(FINISHED);
}

/******************************** USAGE2 ********************************/

int usage2(char *str)
{
    if(!strcmp(str,"motor")) {
        fprintf(stderr,
        "USAGE: motor motor 1,4,7 infile outfile params\n"
        "USAGE: motor motor 2,5,8 infile outfile data params\n"
        "OR:    motor motor 3,6,9 inf1 [inf2 inf3 ....] outfile params\n"
        "Params are...\n"
        "dur freq pulse fratio pratio sym [-ffrand] [-pprand] [-jjitter] [-ttremor]\n"
        "[-yshift] [-eedge] [-bbite] [-vvary | -a] [-sseed] [-c]\n"
        "\n"
        "Create fast (inner) pulse-stream, within slower (outer) pulsed-enveloping.\n"
        "Under every outer-pulse, set of inner events cut successively from input src(s)\n"
        "as the outer-envelope rises, then in reverse order as it falls.\n"
        "Outer-pulse, shortened by \"PRATIO\", must hold at least 2 inner-pulses.\n"
        "\n"
        "Mode 1+3:  Typical source(s) short, & widening in frq-range from start to end.\n"
        "Mode 2:    Cuts segments from single src, at slice-times specified in \"data\".\n"
        "Modes 4-6: Similar except source-reads only advance.\n"
        "Modes 7-9: Similar except source-reads either only advance or only regress.\n"
        "\n"
        "DATA   Textfile of times in infile at which to slice it into separate srcs.\n"
        "DUR    Duration of the output file.\n"
        "FREQ   Pulse-rate (Hz) of inner-pulses (range 2 to 100).\n"
        "PULSE  Pulse-rate (Hz) of outer-pulses. (range 0.1 to 10)\n"
        "FRATIO Proportion of on-time to off-time of inner-events. (range 0 to 1)\n"
        "PRATIO Proportion of on-time to off-time of outer-events. (range 0 to 1)\n"
        "SYM    Symmetry of outer-pulses.  (range 0 to 1)\n"
        "       \"sym\" marks peak of rising-falling envelope on range 0 to 1.\n"
        "       0.5 gives symmetrical cresc-decresc envelope.\n"
        "       1 gives cresc envelope:      0 gives decresc envelope.\n"
        "       0.75 gives long cresc and short decresc. etc\n"
        "FRAND  Freq(f) randomisation (Range 0-1): max variation from f/2 to 3f/2\n"
        "PRAND  Pulse(p) randomisation (Range 0-1): max variation from p/2 to 3p/2\n"
        "JITTER Range of any pitch randomisation of inner-pulses (0 - 3 semitones).\n"
        "TREMOR Range of any random amplitude attenuation of inner-pulses (0-1).\n"
        "SHIFT  Range of any randomisation of outer-pulse symmetry (Range 0 to 1).\n"
        "EDGE   Length of decay-tail of inner-pulses (multiple of dur: Range 0 to 20)\n"
        "BITE   Shape of outer-pulses. (Range 0.1 to 10: Dflt 3). 1 = Linear rise-fall\n"
        "       > 1 slow-fast rise, fast-slow fall: < 1 fast-slow rise, slow-fast fall.\n"
        "VARY   Advance-step in src-read rand-varies from 1 outer-pulse to next.(0-1).\n"
        "       0 = no variation, 1 = max variation range (from no advance to max-step).\n"
        "SEED   Different seed vals gives different randomised outputs.(Range 0 to 256)\n"
        "-a     Inner-events under outer-pulse-cresc advance by fixed step.\n"
        "       (Default: Inner-events advance to end of source, unless \"vary\" set).\n"
        "-c     (Mode 2-3 only) cycle through input srcs.(Default, randomly permute order).\n");
    } else
        fprintf(stdout,"Unknown option '%s'\n",str);
    return(USAGE_ONLY);
}

int usage3(char *str1,char *str2)
{
    fprintf(stderr,"Insufficient parameters on command line.\n");
    return(USAGE_ONLY);
}

/******************************** MOTOR ********************************/

int motor(dataptr dz)
{
    int exit_status, warned = 0, bufcntr = 0, done = 0, event_cnt, ibufno, ch, chans = dz->infile->channels;
    float **ibuf, *ebuf, *obuf, *ovflwbuf;
    int *instep, *gp_sampsread, *mot_starts, *mot_ends, arraysize, in_upstep = 0, in_dnstep = 0, write_position, gp_edgsmps, pulsesmps, start = 0, end = 0 /*, next*/;
    int n, m, j, k, cresc_cnt, decresc_cnt, max_cresccnt=0, inner_cnt, max_innercnt = 0, outstep, gp_eventsamps, gp_tail, ibufpos, obufpos = 0;
    double time, srate = (double)dz->infile->srate;
    double *mot_frq, *mot_sym, *mot_frnd, *mot_jit, *mot_trem, *mot_symrnd, *mot_fratio, *mot_dur, *mot_edge, *mot_bite, *inseg;
    double frq=0.0, edge=0.0, sym, frnd, jit, trem, symrnd, fratio, pulsdur, bite = 1.0, edgelen, outer_dur, real_outer_dur, rnd, endtime, cresctime = 0.0, decresctime = 0.0;
    double inner_dur, thisdur, val, incr, mindur, segdur;
    int *permm, permcnt = dz->inbufcnt;
    int *samphold, start_read, samps_to_read, gp_splicelen, gp_samps_envup, gp_samps_envdn, zerocnt;
    int modetype = dz->mode % 3, advance_regress = 0, only_advance = 0;
    if(dz->mode < 3)
        advance_regress = 1;
    else if(dz->mode < 6)
        only_advance = 1;

    if((samphold = (int *)malloc(dz->inbufcnt * sizeof(int)))==NULL) {
        sprintf(errstr,"Insufficient memory to create store for source sizes.\n");
        return(MEMORY_ERROR);
    }
    if(modetype != MOT_SLICE) {                                             //  Arrays already created for MOT_SLICE in read_special_data
        if((dz->parray = (double **)malloc(10 * sizeof(double *)))==NULL) {
            sprintf(errstr,"Insufficient memory to create temporary varying parameter storage.\n");
            return(MEMORY_ERROR);
        }
    }
    //  PRELIMINARIES

    if((permm = (int *)malloc(dz->inbufcnt * sizeof(int)))==NULL) {         //  Establish array for permuting order of infiles
        sprintf(errstr,"Insufficient memory to create file-order permutation store.\n");
        return(MEMORY_ERROR);
    }

    //  Establish arrays to store brkpnt values for each outer-pulse in a buffer

    arraysize = (dz->buflen/dz->minpulsesmps) + 64;                             //  Array must accomodate max number of inner-pulses with an outer_envelope-pulse                               
    
    for(n=0;n < 10;n++) {
        if((dz->parray[n] = (double *)malloc(arraysize * sizeof(double)))==NULL) {
            sprintf(errstr,"Insufficient memory to temporary varying parameter storage %d.\n",n+1);
            return(MEMORY_ERROR);
        }
    }
    if((dz->lparray = (int **)malloc(3 * sizeof(int *)))==NULL) {
        sprintf(errstr,"Insufficient memory to create 'int' arrays.\n");
        return(MEMORY_ERROR);
    }
    if((dz->lparray[0] = (int *)malloc(arraysize * sizeof(int)))==NULL) {
        sprintf(errstr,"Insufficient memory to create pulse markers for events in buffer.\n");
        return(MEMORY_ERROR);
    }
    if((dz->lparray[1] = (int *)malloc(arraysize * sizeof(int)))==NULL) {
        sprintf(errstr,"Insufficient memory to create pulse markers for events in buffer.\n");
        return(MEMORY_ERROR);
    }

    //  Establish array to store sample-step between inner-events, in each infile
    
    if((dz->lparray[2] = (int *)malloc(dz->inbufcnt * sizeof(int)))==NULL) {
        sprintf(errstr,"Insufficient memory to create array to store stpes with infiles.\n");
        return(MEMORY_ERROR);
    }

    //  Establish array of input buffers

    if((ibuf = (float **)malloc(dz->inbufcnt * sizeof(float *)))==NULL) {
        sprintf(errstr,"Insufficient memory to create input sound buffers.\n");
        return(MEMORY_ERROR);
    }
    if((gp_sampsread = (int *)malloc(dz->inbufcnt * sizeof(int)))==NULL) {
        sprintf(errstr,"Insufficient memory to create input file pointers.\n");
        return(MEMORY_ERROR);
    }
    instep      = dz->lparray[2];   //  Sample-step (within each infile) to next inner-event, when "advance" flag not set
    mot_starts  = dz->lparray[0];       //  Start of each envelope-event
    mot_ends    = dz->lparray[1];       //  End of each envelope-event
    mot_sym     = dz->parray[0];        //  Parameters of the envelope
    mot_symrnd  = dz->parray[1];
    mot_bite    = dz->parray[2];
    mot_dur     = dz->parray[3];
    mot_frq     = dz->parray[4];        //  Parameters of inner-events within the envelope
    mot_frnd    = dz->parray[5];
    mot_jit     = dz->parray[6];
    mot_trem    = dz->parray[7];
    mot_fratio  = dz->parray[8];
    mot_edge    = dz->parray[9];

    for(n=0;n<dz->inbufcnt;n++)         //  Establish arrays to store input and output sound
        ibuf[n] = dz->sampbuf[n];
    ebuf     = dz->sampbuf[n++];
    obuf     = dz->sampbuf[n++];
    ovflwbuf = dz->sampbuf[n];

    if(modetype == MOT_SLICE) {         //  Read single source at different points, and store segments in buffers, splicing starts and ends
        gp_splicelen = (int)round(MOT_SPLICE * MS_TO_SECS * srate);
        inseg = dz->parray[10];         //  noting the length of each segment in gp_samples
        for(n=0,m=0;n < dz->inbufcnt;n++,m+=2) {
            start_read = (int)round(inseg[m] * srate) * chans;
            if(n == dz->itemcnt - 1)
                samps_to_read = dz->insams[0] - start_read;
            else {
                segdur = inseg[m+1] - inseg[m];
                samps_to_read = (int)round(segdur * srate) * chans;
            }
            sndseekEx(dz->ifd[0],start_read,0);
            if((dz->ssampsread = fgetfbufEx(ibuf[n],samps_to_read,dz->ifd[0],0)) < 0) {
                sprintf(errstr,"Can't read sample-set %d from input soundfile.\n",n+1);
                return(SYSTEM_ERROR);
            }
            if(dz->ssampsread != samps_to_read) {
                fprintf(stdout,"WARNING: Samps read (%d) not exactly as asked for (%d) for input seg %d\n",dz->ssampsread,samps_to_read,n+1);
                fflush(stdout);
            }
            samphold[n]     = dz->ssampsread;
            gp_sampsread[n] = dz->ssampsread/chans;
            if(n>0) {
                ibufpos = 0;
                for(k=0;k<gp_splicelen;k++) {
                    val = (double)k/(double)gp_splicelen;
                    for(ch=0;ch<chans;ch++) {
                        ibuf[n][ibufpos] = (float)(ibuf[n][ibufpos] * val);
                        ibufpos++;
                    }
                }
            }
            if(n<dz->inbufcnt-1) {
                for(k=0,j=gp_sampsread[n] - 1;k<gp_splicelen;k++,j--) {
                    ibufpos = j * chans;
                    val = (double)k/(double)gp_splicelen;
                    for(ch=0;ch<chans;ch++) {
                        ibuf[n][ibufpos] = (float)(ibuf[n][ibufpos] * val);
                        ibufpos++;
                    }
                }
            }
        }
    } else {                            //  OR Read (all) input file(s) and note their length(s) in gp_samples
        for(n=0;n<dz->inbufcnt;n++) {
            if((dz->ssampsread = fgetfbufEx(ibuf[n], dz->buflen,dz->ifd[n],0)) < 0) {
                sprintf(errstr,"Can't read samples from input soundfile %d.\n",n+1);
                return(SYSTEM_ERROR);
            }
            samphold[n]     = dz->ssampsread;
            gp_sampsread[n] = dz->ssampsread/chans;
        }
    }
    time = 0.0;
    write_position = 0;

    //  In fixed-step mode we advance by a fixed step in the input file.
    //  Need to know the maximum number of steps within the crescendo part of any envelope-pulse, so.....

    dz->symwarning = 0;

    if(dz->vflag[MOT_FXDSTP]) {
        srand(dz->iparam[MOT_SEED]);                        //  Initialise randomisation
        rndpermm(permcnt,permm);                            //  and do initial permutation
        if((exit_status = calculate_max_read_events_in_any_env_pulse(&max_cresccnt,&max_innercnt,&frq,&edge,arraysize,permm,permcnt,gp_sampsread,dz))<0)
            return exit_status;
        inner_dur = 1/frq;                                  //  Duration of final inner-event
        edgelen = inner_dur * edge;                         //  Tail on final event
        gp_edgsmps = (int)ceil(edgelen * srate);            //  Allowing for possible tail on last sample-read
        for(n=0;n<dz->inbufcnt;n++) {                       //  Divide each input file into max possible number of steps to find the instep for each src

            if(advance_regress)                         //  In these modes, whole src must fit under crescendo
                instep[n] = (int)floor(((samphold[n]/chans) - gp_edgsmps)/max_cresccnt) * chans;
            else                                            //  In these modes, whole src must fit under crescendo+decrescendo
                instep[n] = (int)floor(((samphold[n]/chans) - gp_edgsmps)/max_innercnt) * chans;
        }
    }
    srand(dz->iparam[MOT_SEED]);                            //  (re)Initialise randomisation
    rndpermm(permcnt,permm);                                //  and (re)do initial permutation

    while(time < dz->param[MOT_DUR]) {                      //  Until we have generated the required output duration
        event_cnt = 0;

        //  LOCATE POSITION AND END-TIMES OF ALL LARGE-PULSES FITTING WITHIN CURRENT BUFFER

        while(write_position < dz->buflen) {                //  Find all large-pulses FITTING IN A BUFFER
            if(event_cnt >= arraysize) {
                sprintf(errstr,"Array overrun storing pulse start and end times in buffer.\n");
                return PROGRAM_ERROR;
            }                                               //  Store sample-time of start of large-pulse .....
            mot_starts[event_cnt] = (int)round(time * srate) * chans;
            mot_starts[event_cnt] -= dz->total_samps_written;// .....within the current buffer
            
            //  Find parameters for internal-events inside each of envelope-pulse
            
            if((exit_status = read_values_from_all_existing_brktables(time,dz))<0)
                return exit_status;
            mot_frq[event_cnt]    = dz->param[MOT_FRQ];
            mot_sym[event_cnt]    = dz->param[MOT_SYM];
            mot_frnd[event_cnt]   = dz->param[MOT_FRND];
            mot_jit[event_cnt]    = dz->param[MOT_JIT];
            mot_trem[event_cnt]   = dz->param[MOT_TREM];
            mot_symrnd[event_cnt] = dz->param[MOT_SYMRND];
            mot_fratio[event_cnt] = dz->param[MOT_FRATIO];
            mot_edge[event_cnt]   = dz->param[MOT_EDGE];
            mot_bite[event_cnt]   = dz->param[MOT_BITE];

            mindur = 1.0/dz->param[MOT_FRQ];    //  Duration of inner-events
            mindur += 0.001;                    //  Correct for rounding errors
            mindur *= 2;                        //  Two inner pulses is minimum to fit in 1 outer-pulse

            //  Find step between envelope-pulses, and actual sounding-end of envelope-pulse

            outer_dur = dz->param[MOT_PULSE];                   //  Find actual duration of large-pulse, modifying it, if randomised
            if(dz->param[MOT_PRND] > 0.0) {         
                rnd = (drand48() * 2.0) - 1.0;                  //  Range -1 to 1
                rnd *= dz->param[MOT_PRND];                     //  Range -r to + r
                rnd += 1.0;                                     //  Range 1-r to 1+r
                outer_dur *= rnd;
                outer_dur = max(outer_dur,2 * mindur);          //  Outer-Pulse cannot be shorter than 2 inner_pulses
            }
            real_outer_dur = outer_dur * dz->param[MOT_PRATIO]; //  If pulse does NOT sound for all its duration, find actual end of sound-write
            real_outer_dur = max(real_outer_dur,mindur);        //  Outer-Pulse cannot be shorter than 2 inner_pulses
            mot_dur[event_cnt] = real_outer_dur;                //  and store it
            endtime = time + real_outer_dur;                    //  Store sample-time of end of large-pulse-write ....
            mot_ends[event_cnt] = (int)round(endtime * srate) * chans;
            mot_ends[event_cnt] -= dz->total_samps_written;     //  ....within the current buffer
            pulsesmps = (int)round(outer_dur * srate) * chans;

            event_cnt++;                                        //  Advance event-counter to next event             
            write_position += pulsesmps;                        //  Advance write-position in output buffer.
            time += outer_dur;                                  //  Advance time for next brktable-read     
            if(time >= dz->param[MOT_DUR]) {                    //  If this large-pulse event runs over required total-duration-of-output,
                done = 1;                                       //  flag to quit, once inner-events have been generated
                break;                                          //  and break (so no further envel-pulses generated).
            }
        }
            //  NOW GENERATE THE INNER EVENTS INSIDE THE LARGE-PULSES
        
        for(n = 0; n <event_cnt; n++) {

            //  Get params needed for for inner-event within each outer-pulse           
            
            start = mot_starts[n];
            end   = mot_ends[n];
//           if(n < event_cnt - 1)
//               next = mot_starts[n+1];                     //  Note start of next pulse   RWD: NOTUSED...?
//           else                                            //  (if there is one)
//               next = -1;
            frq     = mot_frq[n];
            sym     = mot_sym[n];
            frnd    = mot_frnd[n];
            jit     = mot_jit[n];
            trem    = mot_trem[n];
            symrnd  = mot_symrnd[n];
            fratio  = mot_fratio[n];
            pulsdur = mot_dur[n];
            edge    = mot_edge[n];
            bite    = mot_bite[n];                          
            
            //  Using outer-event duration and symmetry, find true durations of cresc and decresc in envelope
            //  find counts of inner events in cresc and decresc portions of envelope

            if((exit_status = calculate_cresc_and_decresc_counts_of_inner_events(&cresc_cnt,&decresc_cnt,&cresctime,&decresctime,sym,symrnd,pulsdur,frq,dz))<0)
                return exit_status;

            inner_cnt = cresc_cnt + decresc_cnt;

            //  Select appropriate infile to read

            ibufno = select_infile_to_use(&bufcntr,permm,permcnt,dz);

            //  Get (average) separation-time of inner-events, in the output

            inner_dur = 1/frq;
            outstep = (int)round(inner_dur * srate) * chans;

            //  Calculate read-steps in infile              

            calculate_fwd_and_bkwd_sampsteps_in_infile(&in_upstep,&in_dnstep,srate,chans,gp_sampsread[ibufno],cresc_cnt,decresc_cnt,inner_dur,edge,ibufno,dz);

            //  Calculate number of input samples to read, and length of inner-event tail

            calculate_inputsamps_to_read_and_length_of_tail(&gp_eventsamps,&gp_tail,srate,inner_dur,fratio,edge,dz);

            //  Set start points in input and output buffers

            obufpos = start;

            if(jit != 0.0) {                                    //  Check for pitch-jitter      
                rnd = (drand48() * 2.0) - 1.0;                  //  Range -1 to 1
                jit *= rnd;                                     //  Semitones up or down        
                jit = pow(2.0,jit/SEMITONES_PER_OCTAVE);        //  Frq-ratio up or down = incr in reading data
                incr = jit;
            } else
                incr = 1.0;

            if(advance_regress) {   //  In these modes Read advances then regresses

                ibufpos = 0;

                //  GENERATE ALL THE EVENTS IN THE CRESC PART OF ENVELOPE
                
                for(m = 0; m < cresc_cnt;m++) {
                    if((exit_status = generate_inner_pulse(ebuf,ibuf[ibufno],obuf,ibufpos,obufpos,gp_eventsamps,gp_tail,incr,trem,1,dz))<0)
                        return exit_status;
                    if(frnd > 0.0) {                                //  If inner-event timings are randomised, Recalculate step to next event
                        rnd = ((drand48() * 2.0) - 1.0)/2.0;        //  Range -1/2 to 1/2
                        rnd *= frnd;                                //  Range -frnd(min -1/2) to frnd (max 1/2)
                        thisdur = inner_dur * (1.0 + rnd);          //  Step-time increased or decreaserd by max of +- 1/2
                        outstep = (int)round(thisdur * srate) * chans;
                    }
                    obufpos += outstep;
                    ibufpos += in_upstep;
                }
                //  GENERATE ALL EVENTS IN THE DECRESC PART OF ENVELOPE
                
                for(m = 0; m < decresc_cnt;m++) {
                    if((ibufpos -= in_dnstep) < 0) {
                        ibufpos = 0;
                        if(!warned) {
                            fprintf(stdout,"WARNING: Decrescendoing part of an event overran foot of buffer.\n");
                            fflush(stdout);
                            warned = 1;
                        }
                    }
                    if((exit_status = generate_inner_pulse(ebuf,ibuf[ibufno],obuf,ibufpos,obufpos,gp_eventsamps,gp_tail,incr,trem,1,dz))<0)
                        return exit_status;
                    if(frnd > 0.0) {
                        rnd = ((drand48() * 2.0) - 1.0)/2.0;
                        rnd *= frnd;
                        thisdur = inner_dur * (1.0 + rnd);
                        outstep = (int)round(thisdur * srate) * chans;
                    }
                    obufpos += outstep;
                }

            } else {    //  In these modes Read only advances, or only regresses

                if(only_advance)        //  Advances from start
                    ibufpos = 0;
                else {                  //  Advances from start OR Regresses from end at random
                    rnd = drand48();
                    if(rnd < 0.5)
                        ibufpos = 0;            //  Advance
                    else {
                        ibufpos = (in_upstep) * (inner_cnt - 1);
                        in_upstep = -in_upstep; //  Regress
                    }
                }
                for(m = 0; m < inner_cnt;m++) {
                    if((exit_status = generate_inner_pulse(ebuf,ibuf[ibufno],obuf,ibufpos,obufpos,gp_eventsamps,gp_tail,incr,trem,1,dz))<0)
                        return exit_status;
                    if(frnd > 0.0) {                                //  If inner-event timings are randomised, Recalculate step to next event
                        rnd = ((drand48() * 2.0) - 1.0)/2.0;        //  Range -1/2 to 1/2
                        rnd *= frnd;                                //  Range -frnd(min -1/2) to frnd (max 1/2)
                        thisdur = inner_dur * (1.0 + rnd);          //  Step-time increased or decreaserd by max of +- 1/2
                        outstep = (int)round(thisdur * srate) * chans;
                    }
                    obufpos += outstep;
                    ibufpos += in_upstep;
                }
            }

            //  THEN DO ENVELOPE OVER CRESC+DECRESC EVENTS

            gp_samps_envup = (int)round(cresctime * srate); //  Number of sample-groups in the cresc and decresc
            gp_samps_envdn = (int)round(decresctime * srate);
                                                                //  Adjust for rounding errors
            while(start + ((gp_samps_envup + gp_samps_envdn) * chans) > end)
                gp_samps_envdn--;
            obufpos = start;                                    //  Returning to start of the outer-event       
            for(m = 0; m < gp_samps_envup; m++) {
                val = (double)m/(double)gp_samps_envup;
                val = pow(val,bite);                            //  Impose "bite" curvature on outer-nvelope
                for(ch=0;ch<chans;ch++) {
                    obuf[obufpos] = (float)(obuf[obufpos] * val);
                    obufpos++;
                }
            }
            for(m = gp_samps_envdn - 1; m >= 0; m--) {
                val = (double)m/(double)gp_samps_envdn;
                val = pow(val,bite);
                for(ch=0;ch<chans;ch++) {
                    obuf[obufpos] = (float)(obuf[obufpos] * val);
                    obufpos++;
                }
            }
            zerocnt = (dz->buflen * 2) - obufpos;               //  zero the rest of the outbuffer
            if(zerocnt > 0)                                     //  in case any writes to it have not fallen under envelope,
                memset((char *)(obuf+obufpos),0,zerocnt * sizeof(float));
        }
        if(done)                                                //  If already got total duration, quit
            break;
        if((exit_status = write_samps(obuf,dz->buflen,dz))<0)   //  otherwise ...
            return exit_status;                                 //  Write buffer-full of sound
        memcpy((char *)obuf,(char *)ovflwbuf,dz->buflen * sizeof(float));
        memset((char *)ovflwbuf,0,dz->buflen * sizeof(float));  //  .... and copy back any overflow
        write_position -= dz->buflen;                           //  Reset position of write in buffer.
    }
    if((exit_status = write_samps(obuf,obufpos,dz))<0)          //  Write any remaining samples
        return exit_status;
    return FINISHED;
}

/****************************** GET_MODE *********************************/

int get_the_mode_from_cmdline(char *str,dataptr dz)
{
    char temp[200], *p;
    if(sscanf(str,"%s",temp)!=1) {
        sprintf(errstr,"Cannot read mode of program.\n");
        return(USAGE_ONLY);
    }
    p = temp + strlen(temp) - 1;
    while(p >= temp) {
        if(!isdigit(*p)) {
            fprintf(stderr,"Invalid mode of program entered.\n");
            return(USAGE_ONLY);
        }
        p--;
    }
    if(sscanf(str,"%d",&dz->mode)!=1) {
        fprintf(stderr,"Cannot read mode of program.\n");
        return(USAGE_ONLY);
    }
    if(dz->mode <= 0 || dz->mode > dz->maxmode) {
        fprintf(stderr,"Program mode value [%d] is out of range [1 - %d].\n",dz->mode,dz->maxmode);
        return(USAGE_ONLY);
    }
    dz->mode--;     /* CHANGE TO INTERNAL REPRESENTATION OF MODE NO */
    return(FINISHED);
}

/******************************** CREATE_MOTOR_SNDBUFS ********************************/

int create_motor_sndbufs(dataptr dz)
{
    int n, chans = dz->infile->channels;
    int bigbufsize, secsize, framesize = F_SECSIZE * chans;
    double max_transpos;

    dz->buflen = max(dz->gp_maxinsmps,dz->gp_maxpulsesmps);
    max_transpos = pow(2.0,dz->application->hi[MOT_JIT]/SEMITONES_PER_OCTAVE);  //  Allow for maximal transposition of output
    dz->buflen = (int)ceil((double)dz->buflen * max_transpos);
    dz->buflen = (int)ceil((double)dz->buflen * 1.5);                           //  Allow for maximal warp of inner-pulse-lengths
    dz->buflen *= chans;
    secsize = dz->buflen/framesize;
    if(secsize * framesize != dz->buflen)
        secsize++;
    dz->buflen = secsize * framesize;
    bigbufsize = (dz->buflen * dz->bufcnt) * sizeof(float);
    if((dz->bigbuf = (float *)malloc(bigbufsize)) == NULL) {
        sprintf(errstr,"INSUFFICIENT MEMORY to create total sound buffers.\n");
        return(PROGRAM_ERROR);
    }
    dz->sbufptr[0] = dz->sampbuf[0] = dz->bigbuf;                           //  1 Inbuf for each infile
    for(n=1;n < dz->bufcnt;n++)                                             //  1 untransposed inner-pulse buf
        dz->sbufptr[n] = dz->sampbuf[n] = dz->sampbuf[n-1] + dz->buflen;    //  1 motor-pulses output buf
    dz->sampbuf[n] = dz->sampbuf[n-1] + dz->buflen;                         //  1 motor-pulses overflow
    return(FINISHED);
}

/*************************** RNDPERMM ********************************/

void rndpermm(int permlen,int *permm)
{
    int n, t;
    for(n=0;n<permlen;n++) {        /* 1 */
        t = (int)(drand48() * (double)(n+1));       /* 2 */
        if(t==n)
            prefix(n,permlen,permm);
        else
            insert(n,t,permlen,permm);
    }
}

/***************************** INSERT **********************************
 *
 * Insert the value m AFTER the T-th element in permm[pindex].
 */

void insert(int m,int t,int permlen,int *permm)
{   
    shuflup(t+1,permlen,permm);
    permm[t+1] = m;
}

/***************************** PREFIX ************************************
 *
 * Insert the value m at start of the permutation permm[pindex].
 */

void prefix(int m,int permlen,int *permm)
{
    shuflup(0,permlen,permm);
    permm[0] = m;
}

/****************************** SHUFLUP ***********************************
 *
 * move set members in permm[pindex] upwards, starting from element k.
 */

void shuflup(int k,int permlen, int *permm)
{
    int n, *i;
    int z = permlen - 1;
    i = permm + z;
    for(n = z;n > k;n--) {
        *i = *(i-1);
        i--;
    }
}

/****************************** GENERATE_INNER_PULSE ***********************************/

int generate_inner_pulse(float *ebuf,float *ibuf,float *obuf,int ibufpos,int obufpos,int gp_eventsamps,int gp_tail,double incr,double trem,int output,dataptr dz)
{
    int chans = dz->infile->channels, splen, ch;
    int k, kk, m, mm, thispos, nextpos, gp_fadelen;
    double splic, rnd, amp, debufpos, frac, val, diff, srate = (double)dz->infile->srate;
    int gp_splicelen = (int)round((MOT_SPLICE * MS_TO_SECS) * srate);

    if(output) {
        memset((char *)ebuf,0,dz->buflen * sizeof(float));  //  Copy total event samples from ibuf
        memcpy((char *)ebuf,(char *)(ibuf + ibufpos),gp_eventsamps * chans * sizeof(float));

        splen = min(gp_splicelen,gp_eventsamps/2);          //  Find appropriate splicelen
        for(k = 0; k < splen;k++) {                         //  Do on-splice
            kk = k * chans;
            splic = (double)k/(double)splen;
            for(ch = 0;ch < chans;ch++)
                ebuf[kk + ch] = (float)(ebuf[kk + ch] * splic);
        }
        if(gp_tail == 0) {                                  //  If No tail
            for(k = 0, m = gp_eventsamps - 1; k < splen;k++,m--) {
                mm = m * chans;                             //  Do off-splice
                splic = (double)k/(double)splen;
                for(ch = 0;ch < chans;ch++)
                    ebuf[mm + ch] = (float)(ebuf[mm + ch] * splic);
            }
        } else {                                            //  Else, fade through splicelen and tail
            gp_fadelen = splen + gp_tail;
            for(k = 0, m = gp_eventsamps - 1; k < gp_fadelen;k++,m--) {
                mm = m * chans;
                splic = (double)k/(double)gp_fadelen;
                splic = pow(splic,MOT_EXPDECAY);            //  Exponential decay
                for(ch = 0;ch < chans;ch++)
                    ebuf[mm + ch] = (float)(ebuf[mm + ch] * splic);
            }
        }
    }

    //  NOW ADD THE EVENT TO THE OUTPUT, VARYING PITCH AND AMPLITUDE IF NESS

    if(trem > 0.0) {                                    //  If amplitude varies
        rnd = drand48();                                //  Range 0 to 1
        rnd *= trem;                                    //  Range 0 to trem
        amp = 1.0 - rnd;                                //  Amp = 1 minus rnd-variation
    } else
        amp = 1.0;
    if(output) {
        debufpos = 0.0;
        while(debufpos < gp_eventsamps) {                   //  Read input using increment (for possible pitch-shift)
            thispos = (int)floor(debufpos);
            frac = debufpos - (double)thispos;
            thispos *= chans;
            nextpos = thispos + chans;
            for(ch = 0;ch < chans; ch++) {
                val  = ebuf[thispos++];
                diff = ebuf[nextpos++] - val;
                val += diff * frac;
                val *= amp;                                 //  Do any required amplitude atenuation
                obuf[obufpos] = (float)(obuf[obufpos] + val);// Add sample into output (in case there are event overlaps)
                obufpos++;
            }
            debufpos += incr;
            if(obufpos >= dz->buflen * 2) {
                sprintf(errstr,"Error in output buffer logic. May be due to jitter.\n");
                return PROGRAM_ERROR;
            }
        }
    }
    return FINISHED;
}

/********************************** CALCULATE_CRESC_AND_DECRESC_COUNTS_OF_INNER_EVENTS ************************************/

int calculate_cresc_and_decresc_counts_of_inner_events(int *cresc_cnt,int *decresc_cnt,double *cresctime,double *decresctime,
                                                       double sym,double symrnd,double pulsdur,double frq,dataptr dz)
{
    double rnd, offset, adjust;
    int total;
    int bum = 0;
    if(symrnd > 0.0) {                                  //  If symmetry randomised
        rnd = (drand48() * 2.0) - 1.0;                  //  Rand value in range -1 to 1
        rnd *= symrnd;                                  //  Rand value in range -symrand to symrand
        if(rnd < 0.0) {
            rnd = (-rnd) * sym;                         //  Push backward the symmetry position by a random amount
            sym -= rnd;
        } else {                                        //  OR Push forward the symmetry position by a random amount
            rnd *= (1.0 - sym);
            sym += rnd;
        }
    }
    *cresctime   = pulsdur * sym;                       //  use length and symmetry to work out how many events needed in cresc and decresc
    *decresctime = pulsdur - *cresctime;
    *cresc_cnt   = (int)floor(*cresctime * frq);
    *decresc_cnt = (int)floor(*decresctime * frq);
    total = *cresc_cnt + *decresc_cnt;
    if(total < 2) {
        if(!dz->symwarning) {
            fprintf(stdout,"WARNING: Insufficient inner-events underneath envelope : adjusting symmetry.\n");
            fflush(stdout);
            dz->symwarning = 1;
        }
        offset = sym - 0.5;                             //  distance from midpoint to sym-peak
        adjust = -offset;                               //  step back to midpoint
        adjust /= 10.0;                                 //  1/10 of this distance
        while(total < 2) {
            sym += adjust;                              //  Move symmetry towards midpoint, in small steps
            if(adjust > 0.0 && sym > 0.5)               //  recalculating cresctime & decresctime, to get values that work
                bum = 1;
            else if(adjust < 0.0 && sym < 0.5)          //  But if no values work ... fail!!!!
                bum = 1;
            if(bum) {
                sprintf(errstr,"Insufficient inner-events underneath envelope. sym = %lf pulsdur = %lf\n",sym,pulsdur);
                return PROGRAM_ERROR;
            }
            *cresctime   = pulsdur * sym;
            *decresctime = pulsdur - *cresctime;
            *cresc_cnt   = (int)floor(*cresctime * frq);
            *decresc_cnt = (int)floor(*decresctime * frq);
            total = *cresc_cnt + *decresc_cnt;
        }
    }
    if(*cresc_cnt == 0) {
        (*cresc_cnt)++;
        (*decresc_cnt)--;
        *cresctime   = *cresc_cnt/frq;
        *decresctime = *decresc_cnt/frq;
    } else if (*decresc_cnt == 0) {
        (*decresc_cnt)++;
        (*cresc_cnt)--;
        *cresctime   = *cresc_cnt/frq;
        *decresctime = *decresc_cnt/frq;
    } 
    return FINISHED;
}

/********************************** SELECT_INFILE_TO_USE ************************************/

int select_infile_to_use(int *bufcntr,int *permm,int permcnt,dataptr dz)
{       
    int ibufno = 0;
    int modetype = dz->mode % 3;
    if(modetype != MOT_SNGLE) {                     //  Find appropriate inbuf, if multiple input files, or many cut segments
        if(dz->vflag[MOT_CYCLIC])
            ibufno = *bufcntr;                      //  either next one cyclically
        else
            ibufno = permm[*bufcntr];               //  or next one in perm
        if(++(*bufcntr) >= dz->inbufcnt) {          //  and advance infile counter "bufcntr"
            if(!dz->vflag[MOT_CYCLIC])
                rndpermm(permcnt,permm);
            *bufcntr = 0;
        }
    }
    return ibufno;
}

/********************************** CALCULATE_FWD_AND_BKWD_SAMPSTEPS_IN_INFILE ************************************/

void calculate_fwd_and_bkwd_sampsteps_in_infile(int *in_upstep,int *in_dnstep,double srate,int chans,int gp_sampsread,
                                                int cresc_cnt,int decresc_cnt,double inner_dur,double edge,int ibufno,dataptr dz)
{           
    double edgelen, upsteptime, advance, dnsteptime, rnd;
    int gp_edgsmps, smp_advance, smp_regress;
    int *instep = dz->lparray[2];
    int advance_regress = 0;
    if(dz->mode < 3)
        advance_regress = 1;

    if(dz->vflag[MOT_FXDSTP]) {                     //  Envelope inner-events always advance by a fixed amount
                                                    //  From known pre-calculated timestep between reads, for this infile
        *in_upstep = instep[ibufno];                //  Fixed step calculated so this is same in all modes (for modes > 3 in_dnstep not used)
        if(advance_regress) {
            upsteptime = (double)((*in_upstep)/chans)/srate;
            advance    = upsteptime * cresc_cnt;        //  End time in infile after all reads
            dnsteptime = advance/(double)decresc_cnt;   //  Length of time-steps back to start of file, in decresendo-steps
            *in_dnstep = (int)round(dnsteptime * srate) * chans;
        }

    } else {                                        //  Envelope inner-events always advance to end of infile data

        edgelen = inner_dur * edge;                 //  how many infile steps to advance to end, and to return to start
        gp_edgsmps = (int)ceil(edgelen * srate);    //  Allow for overlay of last sample due to its tail

        if(dz->param[MOT_VARY] > 0.0) {             //  If advance in src randomly varies, vary apparent length of source
            rnd = drand48() * dz->param[MOT_VARY];  //  Range 0 to mot_vary
            rnd = 1.0 - rnd;                        //  Range 1 to (1-mot_vary);
            gp_sampsread = (int)round((double)gp_sampsread * rnd);
        }
        if(advance_regress) {
            *in_upstep = (int)floor((gp_sampsread - gp_edgsmps)/cresc_cnt) * chans;
            *in_dnstep = (int)floor((gp_sampsread - gp_edgsmps)/decresc_cnt) * chans;
        } else
            *in_upstep = (int)floor((gp_sampsread - gp_edgsmps)/(cresc_cnt + decresc_cnt)) * chans;
    }

    smp_advance = (*in_upstep) * cresc_cnt;
    smp_regress = (*in_dnstep) * decresc_cnt;
    while(smp_advance - smp_regress < 0) {          //  After stepping up then down, should be back at file start
        *in_dnstep -= chans;                        //  IF overshoot zero, reduce down-step by 1 gp_sample at a time, until fixed
        smp_regress= *in_dnstep * decresc_cnt;
    }
}

/********************************** CALCULATE_INPUTSAMPS_TO_READ_AND_LENGTH_OF_TAIL ************************************/

void calculate_inputsamps_to_read_and_length_of_tail(int *gp_eventsamps,int *gp_tail,double srate,double inner_dur,double fratio,double edge,dataptr dz)
{
    double cliplen, eventdur;
    int gp_clipsamps;
    cliplen = inner_dur * fratio;                   //  Actual (main) sounding part of inner-event
    eventdur = cliplen + (cliplen * edge);          //  Actual time needed in order to have required tail
    gp_clipsamps = (int)round(cliplen * srate); //  Sample length of inner-event (without tail)
    *gp_eventsamps= (int)round(eventdur * srate);   //  Sample length of inner-event WITH tail
    *gp_tail = *gp_eventsamps - gp_clipsamps;       //  Length of event tail
}

/*********************************  CALCULATE_MAX_READ_EVENTS_IN_ANY_ENV_PULSE ****************************************/

int calculate_max_read_events_in_any_env_pulse(int *max_cresccnt,int *max_innercnt,double *frq,double *edge,int arraysize,int *permm,int permcnt,int *gp_sampsread,dataptr dz)
{
    int exit_status, chans = dz->infile->channels /*, done = 0, ibufno, bufcntr*/;
    int n, event_cnt, write_position, cresc_cnt = 0, decresc_cnt = 0, pulsesmps;
    double time, cresctime = 0.0, decresctime = 0.0, srate = (double)dz->infile->srate;
    double *mot_sym = dz->parray[0], *mot_symrnd = dz->parray[1], *mot_dur = dz->parray[3], *mot_frnd = dz->parray[5];
    double *mot_jit = dz->parray[6], *mot_trem = dz->parray[7]; 
    double outer_dur, rnd, real_outer_dur, sym, symrnd, frnd, jit, trem;
//    float *ebuf , *obuf;
//    ebuf = dz->sampbuf[dz->inbufcnt];
//    obuf = dz->sampbuf[dz->inbufcnt+1];
    time = 0.0;
    write_position = 0;
    while(time < dz->param[MOT_DUR]) {                      //  Until we have generated the required output duration
        event_cnt = 0;

        //  LOCATE POSITION AND END-TIMES OF ALL LARGE-PULSES FITTING WITHIN CURRENT BUFFER

        while(write_position < dz->buflen) {                //  Find all large-pulses FITTING IN A BUFFER

            if(event_cnt >= arraysize) {
                sprintf(errstr,"Array overrun storing pulse start and end times in buffer.\n");
                return PROGRAM_ERROR;
            }                                               //  Store sample-time of start of large-pulse

            //  Find parameters for internal-events inside each of envelope-pulse

            if((exit_status = read_values_from_all_existing_brktables(time,dz))<0)
                return exit_status;
            mot_sym[event_cnt]    = dz->param[MOT_SYM];
            mot_symrnd[event_cnt] = dz->param[MOT_SYMRND];
            *frq  = dz->param[MOT_FRQ];
            *edge = dz->param[MOT_EDGE];

            //  Find step between envelope-pulses, and actual sounding-end of envelope-pulse

            outer_dur = dz->param[MOT_PULSE];               //  Find actual duration of large-pulse, modifying it, if randomised
            if(dz->param[MOT_PRND] > 0.0) {
                rnd = (drand48() * 2.0) - 1.0;              //  Range -1 to 1
                rnd *= dz->param[MOT_PRND];                 //  Range -r to + r
                rnd += 1.0;                                 //  Range 1-r to 1+r
                outer_dur *= rnd;
                outer_dur = max(outer_dur,2.0/dz->param[MOT_FRQ]);  //  Outer-Pulse cannot be shorter than 2 inner_pulses
            }
            real_outer_dur = outer_dur * dz->param[MOT_PRATIO];//   If pulse does NOT sound for all its duration, find actual end of sound-write
            real_outer_dur = max(outer_dur,2.0/dz->param[MOT_FRQ]); //  Outer-Pulse cannot be shorter than 2 inner_pulses
            mot_dur[event_cnt] = real_outer_dur;            //  and store it
            pulsesmps = (int)round(outer_dur * srate) * chans;
            event_cnt++;                                    //  Advance event-counter to next event
            write_position += pulsesmps;                    //  Advance write-position in output buffer.
            time += outer_dur;                              //  Advance time for next brktable-read
            if(time >= dz->param[MOT_DUR]) {                //  If this large-pulse event runs over required total-duration-of-output,
//                done = 1;                                   //  flag to quit, once inner-events have been generated
                break;                                      //  and break (so no further envel-pulses generated).
            }
        }
            //  NOW PSEUDO-GENERATE THE INNER EVENTS INSIDE THE LARGE-PULSES

        for(n = 0; n <event_cnt; n++) {
            //  Get params needed for for inner-event within each outer-pulse
            sym       = mot_sym[n];
            symrnd    = mot_symrnd[n];
            outer_dur = mot_dur[n];
            frnd      = mot_frnd[n];
            jit       = mot_jit[n];
            trem      = mot_trem[n];

            //  Using outer-event duration and symmetry, find true durations of cresc and decresc in envelope
            //  find counts of inner events in cresc and decresc portions of envelope

            if((exit_status = calculate_cresc_and_decresc_counts_of_inner_events(&cresc_cnt,&decresc_cnt,&cresctime,&decresctime,sym,symrnd,outer_dur,*frq,dz))<0)
                return exit_status;
            *max_innercnt = max(*max_innercnt,cresc_cnt + decresc_cnt); 
            *max_cresccnt = max(*max_cresccnt,cresc_cnt);

            //  Select appropriate infile to read MAY USE RAND

//            ibufno = select_infile_to_use(&bufcntr,permm,permcnt,dz);

            //  USE ANY RAND FUNCTIONS THAT MAY BE USED LATER, TO KEEP RAND OUTPUT REPRODUCIBLE

            if(dz->param[MOT_VARY] > 0.0)
                rnd = drand48();
            if(jit != 0.0)
                rnd = drand48();

            if(dz->mode >= 6)
                rnd = drand48();

            //  USE ANY RAND FUNCTIONS THAT MAY BE USED IN GENERATING THE EVENTS IN THE CRESC PART OF ENVELOPE
            for(n = 0; n < cresc_cnt;n++) {
                if(trem > 0.0)
                    rnd = drand48();
                if(frnd > 0.0)
                    rnd = drand48();
            }
            //  USE ANY RAND FUNCTIONS THAT MAY BE USED IN GENERATING THE EVENTS IN THE DECRESC PART OF ENVELOPE

            for(n = 0; n < decresc_cnt;n++) {
                if(trem > 0.0)
                    rnd = drand48();
                if(frnd > 0.0)
                    rnd = drand48();
            }
        }
        write_position -= dz->buflen;                       //  Reset position of write in buffer.
    }
    return FINISHED;
}

/**************************** HANDLE_THE_SPECIAL_DATA ****************************/

int handle_the_special_data(char *str,int *max_gp_seg,dataptr dz)
{
    int done = 0, outcnt, n, m;
    double dummy = 0.0, lasttime, maxsegdur, srate = (double)dz->infile->srate;
    double splicedur = MOT_SPLICE * MS_TO_SECS;
    double dblsplicedur = splicedur * 2;
    double overlap = (MOT_DOVE + MOT_SPLICE) * MS_TO_SECS;
    FILE *fp;
    int cnt = 0, linecnt;
    char temp[800], *p;

    if((fp = fopen(str,"r"))==NULL) {
        sprintf(errstr,"Cannot open file %s to read times.\n",str);
        return(DATA_ERROR);
    }
    linecnt = 0;
    lasttime = -1.0;
    while(fgets(temp,200,fp)!=NULL) {
        p = temp;
        while(isspace(*p))
            p++;
        if(*p == ';' || *p == ENDOFSTR) //  Allow comments in file
            continue;
        while(get_float_from_within_string(&p,&dummy)) {
            if(cnt == 0) {
                if(dummy <= dblsplicedur) {
                    sprintf(errstr,"Invalid time (%lf) (closer to start than 2 splicedurs = %.3lf) at line %d in file %s.\n",dummy,dblsplicedur,linecnt+1,str);
                    return(DATA_ERROR);
                }
            } else if(dummy <= lasttime + dblsplicedur) {
                sprintf(errstr,"Times (%lf & %lf) not increasing by 2 splicedurs (%.3lf) line %d in file %s.\n",lasttime, dummy,dblsplicedur,linecnt,str);
                return(DATA_ERROR);
            } else if(dummy >= dz->duration - dblsplicedur) {
                fprintf(stdout,"WARNING: Time (%lf) too near or beyond end of source-file, at line %d in file %s.\n",dummy,linecnt+1,str);
                fprintf(stdout,"WARNING: Ignoring data at and after this time.\n");
                fflush(stdout);
                done = 1;
                break;
            }
            lasttime = dummy;
            cnt++;
        }
        if(done)
            break;
        linecnt++;
    }
    if(cnt == 0) {
        sprintf(errstr,"No valid data found in file %s.\n",str);
        return(DATA_ERROR);
    }
    dz->itemcnt = cnt;
    outcnt = (dz->itemcnt + 1) * 2;     //  Slice times expanded into edit-time-pairs in source
    if((dz->parray = (double **)malloc(11 * sizeof(double *)))==NULL) {
        sprintf(errstr,"INSUFFICIENT MEMORY to create time-data storage. (1)\n");
        return(MEMORY_ERROR);
    }
    if((dz->parray[10] = (double *)malloc(outcnt * sizeof(double)))==NULL) {
        sprintf(errstr,"INSUFFICIENT MEMORY to create time-data storage. (2)\n");
        return(MEMORY_ERROR);
    }
    fseek(fp,0,0);
    cnt = 0;
    done = 0;
    while(fgets(temp,200,fp)!=NULL) {
        p = temp;
        while(isspace(*p))
            p++;
        if(*p == ';' || *p == ENDOFSTR) //  Allow comments in file
            continue;
        while(get_float_from_within_string(&p,&dummy)) {
            dz->parray[10][cnt] = dummy;
            if(++cnt >= dz->itemcnt) {
                done = 1;
                break;
            }
        }
        if(done)
            break;
    }
    dz->parray[10][outcnt-1] = dz->duration;
    for(n=outcnt-2,m = dz->itemcnt-1; m >= 0; n-=2,m--) {
        dz->parray[10][n]   = dz->parray[10][m] - overlap;
        dz->parray[10][n-1] = dz->parray[10][m] + overlap;
    }
    dz->parray[10][n]   = 0.0;

    //  orig storage    0   1   2   3
    //  prog vals       A   B   C   D   

    //  final storage   0   1   2   3   4   5   6   7   8   9
    //  final vals      0   A+  -A  B+  B-  C+  C-  D+  D-  dur

    dz->itemcnt = outcnt/2; //  dz->itemcnt is now the number of cut segments
    maxsegdur = 0.0;
    for(n=0,m=0;n < dz->itemcnt;n++,m+=2)
        maxsegdur = max(maxsegdur,dz->parray[10][m+1] - dz->parray[10][m]);
    *max_gp_seg = (int)ceil(maxsegdur * srate);
    fclose(fp);
    return FINISHED;
}
